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SSM Health Medical Group

Gregorius Penilla, MD

Internal Medicine
Gregorius Penilla image
4.8 out of 5 – 

SSM Health Medical Group

1345 Smizer Mill Road, Suite 1100 Fenton, MO 63026
Greg Penilla, MD, is an internal medicine physician. He graduated medical school from the University of Santo Tomas and completed his residency at Saint Louis University.

Dr. Penilla has been practicing medicine over 30 years and cares for patients 18 years of age and older.

Dr. Penilla has clinical interests in preventive medicine and was awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care.

_"The best interest of my patients is always my priority. I focus on providing the most convenient and best possible medical care. I always try to find time to see patients on the same day if necessary. Patients appreciate my strive to always be on schedule." - Greg Penilla, MD_

About Me

Reviews

Rating Breakdown

Reviews are measured on a scale of 1 to 5, with 5 being the best score.

Question Breakdown

4.8
Overall Experience
4.9
Listened Carefully
4.9
Explained Things Clearly
4.9
Knew Medical History
4.9
Involved in Care Decisions
4.9
Showed Courtesy & Respect

Patient Reviews

SSM Health only displays patient satisfaction data for providers included in our survey process and who have a minimum of 30 returned surveys. The overall rating is an average of all responses to the survey questions listed below. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn more about our survey.
4.8 out of 5
217 ratings,
96 reviews
6/19/2026
Gracias por su amabilidad .
6/17/2026
Absolutely amazing! You can tell that Dr Penilla is very knowledgeable and cares about his patients.
6/16/2026
Very happy with my physician
6/13/2026
A great individual.
6/12/2026
Very satifactory experience. Through exam and all my questions were answered.

Map & Directions

SSM Health Medical Group

1345 Smizer Mill Road, Suite 1100 Fenton, MO 63026
Mon

8:30 am - 4:30 pm

Tue

8:30 am - 4:30 pm

Wed

8:30 am - 4:30 pm

Thu

8:30 am - 4:30 pm

Fri

8:30 am - 4:30 pm

Sat

Closed

Sun

Closed

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